BSc Biochemistry Sem I 2019 20 Nov 2019-20 BIO CHEM BIOCHEMISTRY PAPER II Question Paper - Mumbai University | munotes

Questions asked in this paper

• li. Figures to the right indicate full marks,

1. Q1 A) State True or False: Fossil records are one of the evidences of evolution 4 marks
   • ii. Bottleneck effect and Founders effect are two examples of gene flow iil. | RNA world hypothesis states that seif-replicating RNA molecules proliferated before the evolution of DNA and proteins
   • iv. The Heterotroph Hypothesis is the proposal that the first living organism was an
2. Q1 B) Answer the following: (any three) 9 marks
   • i. Write in short about Abiogenesis ii, Write a note on Hardy- Weinberg principle iil. Explain Heterotroph hypothesis
   • iv. Write in brief about RNA world Gene mutations lead to evolution of organism
   • vi. a note on Protein world
3. Q1 C) Answer the following: (any two) 12 marks
   • i. Explain Miller’s experiment in detail with the help of a diagram
   • i. Darwinian Theory in brief in detail Big Bang Theory
   • iv. Elaborate on Chemical and Anatomical similarities of related life forms
4. Q2 A) State True or False: 4 marks
   • i. All cells have a nucleus
   • ii. There is a cell membrane around all cells
   • iii. nucleus is smaller than a molecule
   • iv. Chromosomes are found in cytoplasm
5. Q2 B) Answer the following: (any three) 9 marks
6. Q1 How did cell come into existence?
   • ii. What happens if cell does not contain mitochondria? Give the function of nucleus,
   • iv. a note on cell wall,
   • v. Enlist the characteristics of prokaryotic genome
   • vi. Explain metaphase with neat and labelled diagram Biochemistry - Il SEM=STER - 3HRS 100MARKS
7. Q2 C) Answer the following: (any two) 12 marks
   • i. Write the difference between prokaryotic cell and eukaryotic cell
   • ii. in detail the function of cytoskeleton ili. Explain the characteristics of fluid mosaic model with neat and labelled diagram
   • iv. Write structure and function of chloroplast
8. Q3 A) State True or False: 4 marks
   • i. All micro-organisms have flagella. ‘ il. Agar acts as a carbon source in nutrient medium ill. The cell wall of gram negative bacteria have high lipo-polysaccharide layer \ iv. helps in locomotion in all bacteria
9. Q3 B) Answer the following: (any three) Explain in brief the principle and significance of staining
   • ii. Write a brief note on Contribution of Leeuwenhoek in microbiology
   • iii. Explain the different shapes of bacterial arrangement
   • iv. Explain the concepts of Extremophiles
   • v. Explain the different arrangement of flagella in bacteria
   • vi. the principle of Gram Staining
10. Q3 C) Answer the following: (any two) 12 marks
    • i. Elaborate on the method and principle of Capsule staining State the functions of capsule
    • ii. Write an Elaborative note on structure of bacteria along with suitable diagram Justify- The contribution of Pasteur to the field of microbiology
    • iv. Explain the principle of staining and the different types of stains used in identification of
11. Q4 A) Define and explain: (any five) 10 marks
12. Q4 B) Answer the following: (any three) Fossils are major evidences of evolution 15 marks
    • ii. Explain the Mechanisms of Evolution ili. Explain in detail mitosis cell division
13. Q4 Write about reductional division in detail
    • v. in detail Acid fast staining
    • vi. Write a note on bacteria surviving in extreme conditions

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